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JEE Main & Advanced Physics Alternating Current / प्रत्यावर्ती धारा Question Bank ac Circuits

  • question_answer
    A choke coil is preferred to a rheostat in ac circuit as 

    A)            It consumes almost zero power

    B)            It increases current

    C)            It increases power

    D)            It increases voltage

    Correct Answer: A

    Solution :

               A choke coil contains high inductance but negligible resistance, due to which power loss becomes appreciably small.


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